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X4123

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ID = 8908
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  HEXODE   RF/IF-Stage   Controlling (mu) 
Identical to X4123 = RENS1234 = E449
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 7-Pin (C7A, C, 1933) (Codex=La)
Filament Vf 4 Volts / If 1.2 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
x4123_5.jpg
X4123
Roland Biesler

 
10_20.png
X4123: Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_38.png
X4123: Valvo-Röhren-Daten 1934
Jacob Roschy


Usage in Models 1= 1933 ; 1= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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